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Enhanced photoelectrochemical activity in all-oxide heterojunction devices based on correlated "metallic" oxides.

  • Author(s): Apgar, Brent A;
  • Lee, Sungki;
  • Schroeder, Lauren E;
  • Martin, Lane W
  • et al.
Abstract

n-n Schottky, n-n ohmic, and p-n Schottky heterojunctions based on TiO2 /correlated "metallic" oxide couples exhibit strong solar-light absorption driven by the unique electronic structure of the "metallic" oxides. Photovoltaic and photocatalytic responses are driven by hot electron injection from the "metallic" oxide into the TiO2 , enabling new modalities of operation for energy systems.

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